* {
    padding: 0;
    margin: 0;
  }
  
  html,
  body {
    font-family: "微软雅黑";
  }
  
  .contain {
    width: 320px;
    margin: 5px auto;
    border: 1px solid #2a65ba;
  }
  
  ul {
    list-style: none;
  }
  
  li {
    padding-left: 15px;
    line-height: 40px;
    font-size: 12px;
    color: #000;
    border-bottom: 1px #aaaaaa dashed;
  }
  
  h2 {
    font-size: 16px;
    padding-left: 20px;
    line-height: 40px;
  }